#!/bin/bash
# This script configures, builds and runs tests.
# It's meant for automatic cross-distro testing.

die() { echo "$*" >&2; exit 1; }

[ -e "ShellCheck.cabal" ] ||
  die "ShellCheck.cabal not in current dir"
command -v cabal ||
  die "cabal is missing"

cabal update ||
  die "can't update"

if [ -e /etc/arch-release ]
then
  # Arch has an unconventional packaging setup
  flags=(--disable-library-vanilla --enable-shared --enable-executable-dynamic --ghc-options=-dynamic)
else
  flags=()
fi

cabal install --dependencies-only --enable-tests "${flags[@]}" ||
  cabal install --dependencies-only "${flags[@]}" ||
    cabal install --dependencies-only --max-backjumps -1 "${flags[@]}" ||
      die "can't install dependencies"
cabal configure --enable-tests "${flags[@]}" ||
  die "configure failed"
cabal build ||
  die "build failed"
cabal test ||
  die "test failed"
cabal haddock ||
  die "haddock failed"

sc="$(find . -name shellcheck -type f -perm -111)"
[ -x "$sc" ] || die "Can't find executable"

"$sc" - << 'EOF' || die "execution failed"
#!/bin/sh
echo "Hello World"
EOF

"$sc" - << 'EOF' && die "negative execution failed"
#!/bin/sh
echo $1
EOF


echo "Success"
exit 0
